please answer my question which picture is above
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Answer:
A)didn't know
B) 11/21−3/7
=11/21−3/7
=11/21+−3/7
=11/21+−9/21
=11+−9/21
=2/21(Decimal: 0.095238)
C) 6/9−4/7
=2/3−4/7
=2/21(Decimal: 0.095238)
D)dont know
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i dont know the answer of (D) PART
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